:root{--bg: #0f1419;--panel: #16202a;--panel-2: #1c2732;--line: #2a3540;--text: #e7edf3;--muted: #8b98a5;--accent: #1d9bf0;--accent-dim: #14517d;--danger: #b23b4a;--radius: 12px}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Meiryo,system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}.topbar{padding:22px 16px 6px;max-width:760px;margin:0 auto}.topbar h1{margin:0;font-size:28px;letter-spacing:-.02em}.tagline{margin:4px 0 0;color:var(--muted);font-size:14px}.tagline strong{color:var(--text)}main{max-width:760px;margin:0 auto;padding:8px 16px 40px}.add{display:grid;grid-template-columns:1fr;gap:8px;margin:14px 0}.add input,.toolbar input,.item .note,.item .tags{background:var(--panel);border:1px solid var(--line);color:var(--text);border-radius:10px;padding:10px 12px;font-size:15px;width:100%}.add input:focus,.toolbar input:focus,.item .note:focus,.item .tags:focus{outline:none;border-color:var(--accent);background:var(--panel-2)}.add button{background:var(--accent);color:#fff;border:0;border-radius:10px;padding:10px 16px;font-size:15px;font-weight:600;cursor:pointer;justify-self:start}.add button:hover{filter:brightness(1.08)}.error{color:#ff8a9a;font-size:13px;margin:2px 0 0}.toolbar{display:flex;align-items:center;gap:10px;margin:16px 0 10px;flex-wrap:wrap}.toolbar #search{flex:1 1 240px}.count{color:var(--muted);font-size:13px;white-space:nowrap}.spacer{flex:1}.ghost{background:transparent;border:1px solid var(--line);color:var(--muted);border-radius:10px;padding:8px 12px;font-size:13px;cursor:pointer}.ghost:hover{color:var(--text);border-color:var(--muted)}.file{display:inline-flex;align-items:center}.tagbar{display:flex;flex-wrap:wrap;gap:6px;margin:4px 0 14px}.chip{background:var(--panel);border:1px solid var(--line);color:var(--muted);border-radius:999px;padding:4px 10px;font-size:12px;cursor:pointer}.chip span{opacity:.6}.chip.on{background:var(--accent-dim);border-color:var(--accent);color:#fff}.list{list-style:none;margin:0;padding:0;display:grid;gap:12px}.item{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px}.meta{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;font-size:13px}.meta .who{color:var(--accent);font-weight:600;text-decoration:none}.meta .who:hover{text-decoration:underline}.meta .when{color:var(--muted)}.meta .open{margin-left:auto;color:var(--muted);text-decoration:none}.meta .open:hover{color:var(--accent)}.item .body{margin:8px 0;padding:8px 10px;background:var(--bg);border-radius:8px;font-size:14px;white-space:pre-wrap;color:#cdd7e0}.item .note{margin-top:8px;resize:vertical;min-height:38px;font-size:14px}.item .tags{margin-top:6px;font-size:13px}.actions{display:flex;justify-content:flex-end;margin-top:8px}.del{background:transparent;color:var(--muted);border:1px solid var(--line);border-radius:8px;padding:4px 10px;font-size:12px;cursor:pointer}.del:hover{color:#fff;background:var(--danger);border-color:var(--danger)}.empty{color:var(--muted);text-align:center;padding:40px 12px;font-size:14px}.nohit{color:var(--muted);list-style:none;padding:20px;text-align:center}.foot{max-width:760px;margin:0 auto;padding:0 16px 30px;color:var(--muted);font-size:12px}@media (min-width: 620px){.add{grid-template-columns:1fr 1fr auto}.add #url{grid-column:1 / -1}}.settings{background:var(--panel-2);border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin:0 0 12px;display:grid;gap:8px}.settings-h{margin:0;font-weight:600;font-size:14px}.settings label{display:grid;gap:4px;font-size:12px;color:var(--muted)}.settings input,.settings select{background:var(--panel);border:1px solid var(--line);color:var(--text);border-radius:8px;padding:8px 10px;font-size:14px}.settings #ai-save{justify-self:start;background:var(--accent);color:#fff;border:0;border-radius:8px;padding:8px 14px;font-weight:600;cursor:pointer}.settings-note{margin:0;font-size:12px;color:var(--muted);line-height:1.55}.settings-note code{background:var(--bg);padding:1px 5px;border-radius:4px}.item .ai{margin:8px 0 0;padding:6px 10px;background:#1d9bf014;border-left:2px solid var(--accent);border-radius:6px;font-size:13px;color:#cfe6fb}.ai-btn{margin-right:auto;background:transparent;color:var(--accent);border:1px solid var(--accent-dim);border-radius:8px;padding:4px 10px;font-size:12px;cursor:pointer}.ai-btn:hover{background:#1d9bf01a}.ai-btn:disabled{opacity:.5;cursor:default}